"Miami, Florida, Thursday Dec 28-1911. Packed all my Hender and shipped in box by Southern Express. In the afternoon walked 1/2 miles south of Miami along the Jungle Road to see more of the Miami Oolite. Collected a number of small fossils a sand dollar, and pearls, in all at least 7 species. Also saw the filling of a large serpentine circular indentation among humors. These were one of the pavement just before getting to the nine ridge are seem to lie diagonally and are humors at least two feet long and 3/8 inch in diameter. The cross bedding in this pavement is seen to be rippling with rather long ascents and sharp descents. The trend of these ripples is by no means uniform indicating variability of the wind direction. Probably not more than one half of the Miami Oolite is rippled or cross bedded. This oolite is undoubtedly a marine deposit formed behind the coral reef. It now seems to me that the reefs of Big Lagoon represents the reef at its highest while all of the Miami Oolite in the deposits of the shallow back basin of it. On this coast the